A review on non-aqueous fracturing techniques in unconventional reservoirs

S Kalam, C Afagwu, J Al Jaberi, OM Siddig… - Journal of Natural Gas …, 2021 - Elsevier
Technical and environmental concerns, besides water conservation in remote areas, are
associated with the utilization of conventional water, oil, and polymer based fracturing …

Experimental study of hydraulic fracture initiation and propagation in deep shale with different injection methods

X Chang, E Xu, Y Guo, C Yang, Z Hu, W Guo - Journal of Petroleum …, 2022 - Elsevier
Deep shale gas reservoirs, compared to shallow and intermediate shale gas reservoirs,
usually exhibit lower fracture complexity, smaller stimulated volume, poorer conductivity, and …

Plasma based fracking in unconventional shale–A review

M Agarwal, VK Kudapa - Materials Today: Proceedings, 2023 - Elsevier
Shale gas and other unconventional resources such as coal bed methane, gas hydrates,
tight oil etc. have gained significant worldwide interest because of their potential to increase …

An experimental study to reduce the breakdown pressure of the unconventional carbonate rock by cyclic injection of thermochemical fluids

Z Tariq, M Mahmoud, A Abdulraheem… - Journal of Petroleum …, 2020 - Elsevier
Commercial production from unconventional reservoirs needs massive fracturing
operations. Therefore, long horizontal wells are drilled, and multi-stage fractures are created …

Strain Field Characteristics of Coal-like Material under CO2 Fracturing

K Wang, H Pan, Y Fujii - ACS omega, 2023 - ACS Publications
Considering the problems related to hydrofracturing, CO2 fracturing is a more effective way
to enhance the permeability of coal seams. Conventional research has focused on the …

An experimental study to reduce the fracture pressure of high strength rocks using a novel thermochemical fracturing approach

Z Tariq, MA Mahmoud, A Abdulraheem, A Al-Nakhli… - …, 2019 - Wiley Online Library
Current oil prices and global financial situations underline the need for the best engineering
practices to recover remaining oil from unconventional hydrocarbon reservoirs. These …

Mechanism and practice of multifracturing using dynamic loads in a low-permeability coal reservoir

Y Qi, L Tian, Y Cao, J Wu, J Zhang, Y Cao, B Cui - Acs Omega, 2023 - ACS Publications
The geological conditions of coal reservoirs in China are complex, and the reservoir
permeability is generally lower. Multifracturing is an effective method of improving reservoir …

3D numerical simulation of pulsed fracture in complex fracture-cavitied reservoir

Y Wang, X Li, B Zhao, Z Zhang - Computers and Geotechnics, 2020 - Elsevier
The carbonate reservoir contains numerous randomized natural fractures and cavities. Due
to the stress concentration surrounding the cavity, the conventional hydraulic fracturing …

A fault slip model to study earthquakes due to pore pressure perturbations

S Dana, B Jha - arxiv preprint arxiv:2104.06257, 2021 - arxiv.org
The burgeoning need to sequester anthropogenic CO $ _2 $ for climate mitigation and the
need for energy sustenance leading upto enhanced geothermal energy production has …

Lab-scale permeability enhancement by chemical treatment in fractured granite (Cornubian Batholith) for the United Downs Deep Geothermal Power Project, Cornwall …

KE Schulz, K Bär, I Sass - Geosciences, 2022 - mdpi.com
A hydrothermal doublet system was drilled in a fault-related granitic reservoir in Cornwall. It
targets the Porthtowan Fault Zone (PTF), which transects the Carnmenellis granite, one of …